@misc{indiciaec001005ae29b,
  title = {Age measurements from a part of the Brazilian shield},
  author = {Norman Herz and P.M. Hurley and W.H. Pinson and H.W. Fairbairn},
  year = {1961},
  doi = {10.1130/0016-7606(1961)72[1111:amfapo]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70220646},
  note = {Source identifier: 70220646}
}